Home / 5,571.18-7,688.93-3,214.08

Finding the Fourth Proportional to 5,571.18, 7,688.93 and 3,214.08

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Solution

The fourth proportional to 5,571.18, 7,688.93 and 3,214.08 is: 4,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.18 : 7,688.93 = 3,214.08 : x
  2. Step 2: Convert to fraction form
    5,571.18/7,688.93 = 3,214.08/x
  3. Step 3: Cross multiply
    5,571.18x = 7,688.93 × 3,214.08
  4. Step 4: Simplify right side
    5,571.18x = 24,712,820.06
  5. Step 5: Solve for x
    x = 24,712,820.06/5,571.18
  6. Step 6: Final answer
    x = 4,435.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.